         fmt (format-raw-to-format format-raw)]
     (-> item
         (assoc-some
+         :title (remove-nonprintable-chars title)
          :language (iso-639-2-to-iso-639-1 language)
          :genre (or (genre-raw-to-genre (subs genre-raw 0 1))
                     (genre-code-to-genre (subs genre-code 0 2)))

         (string/join " ")
         string/trim)))

(defn clean-raw-item
  "Return a proper production based on a raw item, i.e.
  translate the language tag into proper ISO 639-1 codes"

           series-title-raw series-volume-raw duration
           volumes-raw narrator producer-long-raw
           game-category-raw game-description-raw game-materials-raw
           braille-grade-raw title] :as item
    :or {genre-raw "x01"}}]
  (let [rucksackbuch-number (when (and series-title-raw
                                       (re-find #"^Rucksackbuch" series-title-raw))
